By no means are Twitter and Facebook perfect: You might wish that Facebook made it more intuitive to hide FarmVille or certain status updates. Or, maybe you wish that Twitter would introduce a new feature like nested tweets. Good news: For many of these website tweaks or suggestions, there’s likely to be a script you can download to fit the bill.

Here are my top eight picks for Facebook and Twitter add-ons. Many of these solve common user gripes (such as not knowing to what site shortened URLs will bring you on Twitter). Some, like “Facebook Fixer,” enhance the site and allow you to customize it beyond standard options. Do note that most of these scripts require that you first download Greasemonkey, and not all are compatible with every browser, so be sure to check the requirements before you download a script.
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